K1 DTC C1202 Check Valve Coil,and the ABS Module

- Ignition OFF.

- Install Rotunda(r) Breakout Box 014-00322 or equivalent. Using the Breakout Box For Circuit Checks

- Verify terminals at Pins 17 and 27 are clean and secure in the anti-lock brake control module connector.

- Measure resistance between Pins 17 and 27.

- Is reading between 3 and 6 ohms?

YES -- Go to K5. K5 Verify Integrity of Vehicle Wiring

NO -- Go to K2. K2 Check Valve Coil